Create an error page for the above JSP that displays a meaningful error message and allows the user to re-enter his/her name if no name was entered initially. Modify the original JSP so that (a) it...

and allows the user to re-enter his/her name if no name was entered initially.

Modify the original JSP so that (a) it registers the error page and (b) it throws a

general
Exception
object if no name is entered by the user. (Once again,

remember to modify the original HTML page to reflect any name change in

your JSP.)